This week on The Missing Workbook
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Word
English Vocabulary
Pick a CEFR level (A1–C2, plus C2+ for rare words beyond the CEFR scale) — A1 is the friendliest place to start — and browse its words grouped by topic: travel, food, the body, emotions, and more. Each word shows its meaning, example sentences, and US/UK pronunciation.
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View all levelsC2+ is beyond the official CEFR scale: rare, specialist, and literary words kept for reference.
155 words
contortion
C2
/kənˈtɔr.ʃən/
a twisted, strained, or unnatural position or movement of the body or face
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diverticulum
C2
/ˌdaɪvɚˈtɪkjələm/
a pouch, sac, or blind branch projecting from the wall of a hollow or tubular organ
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plenum
C2
/ˈplɛnəm/
a meeting attended by all members of a committee, legislature, or other body
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sternocleidomastoid
C2
/ˌstɝ.nəˌklaɪ.dəˈmæˌstɔɪd/
one of two thick muscles running from the sternum and clavicle to the mastoid and occipital bone
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levator
C2
/lɪˈveɪtɚ/
an anatomical muscle that raises the body part to which it is attached
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lacuna
C2
/ləˈkjuːnə/
a gap, omission, or missing part in a text, argument, record, or body of knowledge
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situs
C2
/ˈsaɪtəs/
The position, especially the usual, normal position, of a body part or part of a plant.
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tetter
C2
/ˈtɛtɚ/
archaic: any of various itching, scaly, blistering, or pustular skin eruptions, without the precision of a modern diagnosis
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hemiplegia
C2
/ˌhem.ɪˈpli.dʒə/
paralysis of one side of the body
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scintillation
C2
/ˌsɪn.təˈleɪ.ʃən/
The twinkling of a star or other celestial body caused by turbulence in the Earth's atmosphere.
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quagga
C2
/ˈkwɑɡə/
an extinct southern African subspecies of plains zebra, striped mainly on the head and front of the body
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apar
C2
/əˈpɑːr/
a South American three-banded armadillo of the genus Tolypeutes, able to roll its armored body into a nearly complete ball
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ovipositor
C2
/oʊvɪˈpɑzɪtɚ/
a tubular or blade-like organ used by a female insect or certain other animals to place or lay eggs
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zygoma
C2
/zaɪˈɡoʊmə/
anatomy: either zygomatic bone, forming the prominence of the cheek below and beside the eye
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bivalve
C2
/ˈbaɪvælv/
a mollusc of the class Bivalvia whose body is enclosed by two hinged shell valves, such as a clam, mussel, oyster, or scallop
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poesy
C2
/ˈpoʊəzi/
literary: poetry, especially considered as an art or body of writing
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orbicularis
C2
/ɔɹˌbɪk.jəˈlɛɹ.ɪs/
A muscle surrounding an opening.
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cornu
C2
/ˈkɔɹnuː/
a horn-shaped anatomical part, such as a projection of a bone, organ, or region of the spinal cord
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diapason
C2
/daɪəˈpeɪzən/
a full, rich outpouring or range of musical sound; also a principal organ stop
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albinism
C2
/ˈæl.bɪ.nɪ.zəm/
a group of inherited conditions involving little or no production of melanin pigment in the skin, hair, and eyes
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cere
C2
/sɪr/
the fleshy or waxy skin at the base of the upper beak in certain birds, containing the nostrils
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scurf
C2
/skɝːf/
flakes or scales shed from the surface of the skin, especially as dandruff or because of disease
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tapetum
C2
/təˈpiː.təm/
a reflective or pigmented layer of tissue behind or within the retina of the eye
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amphipod
C2
/ˈæmfɪˌpɑːd/
any small crustacean of the order Amphipoda, typically with a laterally compressed body and differently directed pairs of legs
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papilla
C2
/pəˈpɪlə/
a small nipple-shaped projection of tissue, such as one on the tongue or at the base of a hair, tooth, or feather
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aphelion
C2
/əˈfiːliən/
the point in the orbit of a planet, comet, or other body at which it is farthest from the Sun
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gesticulation
C2
/dʒɛˌstɪkjəˈleɪʃən/
an expressive movement of the hands, arms, or body, especially one made while speaking
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tuberosity
C2
/ˌtuːbəˈrɑːsəti/
anatomy: a large, rough, rounded prominence on a bone, commonly serving as an attachment site for a muscle, tendon, or ligament
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thallus
C2
/ˈθæləs/
a plantlike vegetative body, such as that of an alga, fungus, or lichen, which is not differentiated into true stems, leaves, and roots
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excrescence
C2
/ɪkˈskrɛsəns/
an abnormal growth or projection on a living body or natural object
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zygomaticus
C2
/ˌzaɪ.ɡəˈmæt.ək.əs/
One of several small subcutaneous facial muscles arising from or in relation with the zygomatic bone.
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auscultation
C2
/ˌɔːskəlˈteɪʃən/
medical examination by listening to sounds within the body, usually with a stethoscope
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frontalis
C2
/ˌfɹʌnˈteɪ.lɪs/
A muscle of the forehead, sometimes considered to be part of the occipitofrontalis muscle.
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viscus
C2
/ˈvɪskəs/
anatomy: an internal organ located in one of the body's major cavities
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tonus
C2
/ˈtoʊnəs/
the normal continuous tension or readiness of living muscles, arteries, or other tissue
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mandamus
C2
/mænˈdeɪməs/
law: a court order compelling a public official, lower court, agency, or other body to perform a duty required by law
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commissure
C2
/ˈkɑm.əˌʃʊɹ/
a bundle of nerve fibers passing from one side to the other of the brain or spinal cord
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chilblain
C2
/ˈtʃɪlbleɪn/
an itchy, swollen patch of skin caused by an abnormal reaction to cold and damp conditions
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coxa
C2
/ˈkɑːksə/
the basal segment of an arthropod limb, by which the leg is attached to the body
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thornback
C2
/ˈθɔːrnˌbæk/
the thornback ray or skate, Raja clavata, a ray with rough skin and rows of thornlike spines along its back and tail
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frenum
C2
/ˈfriːnəm/
an anatomical fold of tissue that restrains or anchors the movement of an organ; a frenulum
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beroe
C2
/ˈberəwiː/
a transparent, often iridescent marine comb jelly of the genus Beroe, with a rounded or thimble-shaped body
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radula
C2
/ˈɹædʒələ/
a ribbonlike feeding organ bearing rows of tiny teeth, used by most mollusks to scrape or cut food
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branchia
C2
/ˈbræŋkiə/
zoology: a gill or another respiratory organ with the same function in an aquatic animal
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cicatrix
C2
/ˈsɪkəˌtrɪks/
a scar formed as fibrous tissue replaces or contracts over a healed wound
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ascidian
C2
/əˈsɪdiən/
a solitary or colonial marine tunicate of the class Ascidiacea, typically having a saclike adult body with an incurrent and an excurrent siphon
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suffusion
C2
/səˈfjuːʒən/
the spreading of a bodily fluid, especially blood, into surrounding tissue
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antihelix
C2
/ˌæn.tɪˈhi.lɪks/
anatomy: the curved ridge of cartilage inside and roughly parallel to the helix of the outer ear
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fasciculus
C2
/fəˈsɪkjʊləs/
anatomy: a small bundle of nerve, muscle, tendon, or other parallel fibers
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exanthem
C2
/ɪɡˈzænθəm/
a widespread skin eruption or rash occurring as a symptom of disease
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furcula
C2
/ˈfɝkjələ/
the forked bone formed by the fused collarbones of most birds; the wishbone
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pellicle
C2
/ˈpɛlɪkəl/
a very thin skin, membrane, or film covering a surface
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panniculus
C2
/pəˈnɪkjələs/
a thin sheet or layer of bodily tissue, especially a layer beneath the skin
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stridulation
C2
/ˌstrɪdʒəˈleɪʃən/
the production of a shrill sound by rubbing body parts together, especially in insects
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exuvia
C2
/ɪɡˈzuːviə/
a skin, shell, exoskeleton, or other outer covering shed by an animal during molting
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homolog
C2
/ˈhɑːməlɑːɡ/
a biological structure, organ, gene, or other feature that shares a common evolutionary origin with a corresponding feature
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cephalothorax
C2
/ˌsɛfələˈθɔˌræks/
the fused head and thorax forming the front body region of spiders, crustaceans, and some other arthropods
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incisure
C2
/ɪnˈsɪʒɚ/
anatomy: a notch or indentation in a bone, organ, or other bodily structure
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arrector
C2
/əˈrɛktər/
an erector muscle; especially one of the tiny arrector pili muscles that raise a hair
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